Watch List notes:

Q. Antonius Balbus, Denario serrato, Roma, 83-82 a.C.; Ag 3,95; Laureate head of Jupiter right; S·C behind neck / Victory driving quadriga right, holding reins, wreath, and palm frond R below; Q ATO BALB - PR in two lines in exergue.
EF
Crawford 364/1
EBC